Alarm systems - Part 7-6: Message formats and protocols for serial data interfaces in alarm transmission systems - Alarm system interfaces employing ITU-T Recommendation V.24/V.28 signalling

Electromagnetic Compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems - Technical Specification

Lighting and light-signalling devices on motor vehicles — Part 7: Convoy light, detail standard; Text in German and English

Review of IEC 60050-821: International Electrotechnical Vocabulary (IEV) - Part 821: Signalling and security apparatus for railways

Common control interface for networked digital audio and video products - Part 5-2: Transmission over networks - Signalling

Electric signalling systems for railways

IEC 62379-5-2/Ed.1: Common control interface for networked digital audio and video products - Part 5-2: Transmission over networks - Signalling (TA4)

Alarm systems - Part 7-11: Message formats and protocols for serial data interfaces in alarm transmission systems - Serial protocol for use in digital communication systems using ITU-T Recommendation V.23 signalling at interfaces with the PSTN

IEC 61000-4-19: Electromagnetic compatibility (EMC) - Part 4-19: Testing and measurement techniques - Test for immunity to conducted, differential mode disturbances and signalling in the frequency range 2 kHz to 150 kHz at a.c. power ports

CORRIGENDUM to Document 77A/266/CD: Electromagnetic compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems. Basic EMC publication